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{ ^ase Closure Summary Page 2,. <br /> Leakin( :derground Fuel storage Tank Pz :am <br /> III. Release and Site Characteti:ation Information (continued) <br /> Maximum Documented Contaminant Concentrations--Before and After Cleanup <br /> Contaminant Soil ;" (ppm) Water (ppm) Contaminant Soil (ppm) Water (ppm) <br /> Before After Before After Before After Before After <br /> TPH (Gas) 23 ND ND ND Xylene 3 ND .0004 ND <br /> TPH (Diesel) Mthylbenzene 'ND ND :0007 ND <br /> ,Benzene ND NO .0003 ND Oil & [crease' <br /> Toluene ND ND .0008 ND Heavy metals (lead) 6.9 .260 ND <br /> other Other <br /> Comments (Depth of Remediation, etc.) : <br /> Contaminated soil, excavated to a depth of 17 feet. LL <br /> f <br /> i <br /> IV. Closure <br /> ;j Does completed corrective action protect existing beneficial uses per the Regional Board <br /> Basin Plan? (Yes) No I' <br /> Does completed corrective action protect potential_beneficial uses per the Regional Board <br /> Basin Plan? (Yes) - 'No <br /> Does corrective action protect public health for current land use? (Yes) No <br /> Site management requirements: None <br /> Should corrective action be reviewed if land use changes? Yes (No) Q <br /> Monitoring wells Decommisionedt 6-e's) .) Number 'Decommisioneds 3 Number Retained: "+ <br /> List enforcement actions taken: NOR sent 11/27/91 <br /> i List enforcement actions rescinded: <br /> V. Local Agency Representative Data <br /> Name: DONN HERRN Title: DIRECTOR OF ENVIRONMENTAL HEALTH <br /> r <br /> Signature: Date: 6— U - <br /> VI. RWQCB Notification <br /> Date Submitted to RB: RB Response: <br /> RWQCB Staff Name: Titles Date: <br /> � VII. Additional Comments, Data, etc. <br /> Monitoring wells will be destroyed after concurrance or no comment 30 days from the <br /> E� <br /> date of submission of this summary to CVRWQCB. <br /> This document and the related CASE CLOSURE LETTER, Shall be retained by the lead agency <br /> as part of the official site file. (08/24/93) <br /> Exhibit N Page 2 of 2 <br />